Base | Representation |
---|---|
bin | 11100010110100010… |
… | …111010101100011101 |
3 | 2220120121220210212022 |
4 | 130112202322230131 |
5 | 444321403220013 |
6 | 21552455345525 |
7 | 2125256266325 |
oct | 342642725435 |
9 | 86517823768 |
10 | 30443023133 |
11 | 11a02324956 |
12 | 5a973822a5 |
13 | 2b420bb273 |
14 | 168b20c285 |
15 | bd298a008 |
hex | 7168bab1d |
30443023133 has 8 divisors (see below), whose sum is σ = 31778364120. Its totient is φ = 29134658880.
The previous prime is 30443023099. The next prime is 30443023181. The reversal of 30443023133 is 33132034403.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 188595289 + 30254427844 = 13733^2 + 173938^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30443023133 - 214 = 30443006749 is a prime.
It is a super-3 number, since 3×304430231333 (a number of 32 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30443053133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6741878 + ... + 6746391.
It is an arithmetic number, because the mean of its divisors is an integer number (3972295515).
Almost surely, 230443023133 is an apocalyptic number.
It is an amenable number.
30443023133 is a deficient number, since it is larger than the sum of its proper divisors (1335340987).
30443023133 is a wasteful number, since it uses less digits than its factorization.
30443023133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13488367.
The product of its (nonzero) digits is 7776, while the sum is 26.
Adding to 30443023133 its reverse (33132034403), we get a palindrome (63575057536).
The spelling of 30443023133 in words is "thirty billion, four hundred forty-three million, twenty-three thousand, one hundred thirty-three".
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